Most shark fossils are just teeth—their cartilage skeletons usually decay long before they can fossilize. But in northwestern Arkansas, a series of geological sites known as the Fayetteville Shale has ...

In terms of noise levels, I didn't find it to be as loud as the Revlon, but not as quiet as the Dyson Airwrap. I think the Glossi is suitable for most people, unless you're really sensitive to noise, ...